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  1. // Andres Guzman CSC5 Chapter 8, P. 488, #5
  2.  /******************************************************************************
  3.  *
  4.  * DISPLAY RAINFALL STATISTICS
  5.  *  ____________________________________________________________________________
  6.  *  This program will calculate and display the total, average, and highest and
  7.  *  lowest months of rainfall as well as display the highest to lowest months of
  8.  *  rain in order.
  9.  *
  10.  *  Computation:
  11.  *  Uses a selection sort to sort the values inside the months for rainfall in
  12.  *  order from highest to lowest.
  13.  *  total / 12
  14.  *  ____________________________________________________________________________
  15.  *
  16.  *  INPUT
  17.  *
  18.  *  [SIZE] = Array Size
  19.  *  rainfall[SIZE] = Holds the inputed values of rainfall for each month
  20.  *
  21.  *  OUTPUT
  22.  *
  23.  * total = Displays the total accumulated rainfall
  24.  * months[highestmonth] = Displays highest month of rainfall
  25.  * months[lowestmonth] = Display lowest month of rainfall
  26.  *
  27.  ******************************************************************************/
  28. #include <iostream>
  29. #include <iomanip>
  30. #include <string>
  31. using namespace std;
  32. //
  33. //Function Prototype
  34. void selectionsort(double a[], string b[], int c);
  35.  
  36. int main()
  37. {
  38. const int SIZE = 12;	//Array size
  39. string months[SIZE] = {"January", "February", "March", "April", "May", "June",
  40. 					   "July", "August", "September", "October", "November",
  41. 					   "December"};	//Initialization List for month
  42. double rainfall[SIZE];	//Subscript to input values for rainfall
  43. double total = 0;		//Accumulator for rainfall
  44. int i;					//Cycles through subscript in for loops
  45. //
  46. //Initializing For Loop
  47. for(i = 0; i < SIZE; i++)
  48. 	{
  49. 		cout << months[i] << " Rainfall: ";
  50. 		cin >> rainfall[i];
  51. 		cout << endl;
  52. 		while(rainfall[i] < 0)	//Input Validiation
  53. 		{
  54. 			cout << "Invalid Rainfall Amount, Please Try Again." << endl;
  55. 			cout << months[i] << " Rainfall: ";
  56. 			cin >> rainfall[i];
  57. 			cout << endl;
  58. 		}
  59. 		total += rainfall[i];	//Adds rainfall input to total
  60. 	}
  61. double highest = rainfall[0];	//Assigns beginning of subscript to highest
  62. double lowest = rainfall [0];	//Assigns beginning of subscript to lowest
  63. int highestmonth = 0;			//Assigns variable to subscript as a name
  64. int lowestmonth = 0;			//Assigns variable to subscript as a name
  65. //
  66. //Initializing For Loop
  67. for(i = 0; i < SIZE; i++)
  68. 	{
  69. 		if(rainfall[i] > highest) //Finds which subscript is bigger than [0]
  70. 			{
  71. 				highest = rainfall[i];	//Assigns found subscript to highest
  72. 				highestmonth = i;		//Assigns highestmonth to subscript [0]
  73.  
  74. 			}
  75. 		if(rainfall[i] < lowest)	//Finds which subscirpt is lower than [0]
  76. 			{
  77. 				lowest = rainfall[i];	//Assigns found subscript to lower
  78. 				lowestmonth = i;		//Assigns lowestmonth to subscript [0]
  79. 			}
  80. 	}
  81. cout << "\nTotal Rainfall: " << total << endl;
  82. cout << fixed << setprecision(2);	//Allows 2 decimal points for average
  83. cout << "Average Monthly Rainfall: " << (total / 12) << endl;
  84. cout << "Highest Month of Rainfall: " << months[highestmonth] << endl;
  85. cout << "Lowest Month of Rainfall: " << months[lowestmonth] << endl;
  86. //
  87. //Display Next section contents
  88. cout << "\nMonths Sorted in Order of Rainfall" << endl;
  89. //
  90. //Function Call
  91. selectionsort(rainfall, months, SIZE);
  92. //
  93. //Output Each Month in order using for loop
  94. for(i = 0; i < SIZE; i++)
  95. {
  96.     cout << months[i] << ": " << rainfall[i] << endl;
  97. }
  98. return 0;
  99. }
  100. /*******************************************************************************
  101.  * Adding definition to Function selectionsort. This function sorts the rainfall
  102.  * amounts from highest to lowest while keeping each month paired with its
  103.  * corresponding rainfall amount. Uses selection sort to find the highest
  104.  * rainfall value and moves it into the correct position.
  105.  ******************************************************************************/
  106. void selectionsort(double a[], string b[], int c)
  107. {
  108. 	int startscan, minIndex;	//Used to scan through the array
  109. 	double minValue;			//Holds highest value found
  110. 	string temp;				//Holds found value during swap
  111. //
  112. //Initializing For Loop
  113. 	for (startscan = 0; startscan < (c - 1); startscan++)
  114. 	{
  115. 		minIndex = startscan;		//Assigns starting position as highest
  116. 		minValue = a[startscan];	//Assigns starting rainfall as highest
  117. //
  118. //Searches for highest rainfall value
  119. 		for (int index = startscan + 1; index < c; index++)
  120. 		{
  121. 			if(a[index] > minValue)
  122. 			{
  123. 				minValue = a[index];	//Updates highest rainfall value
  124. 				minIndex = index;		//stores position of highest value
  125. 			}
  126. 		}
  127. //
  128. //Swaps Values
  129. 	a[minIndex] = a[startscan];
  130. 	a[startscan] = minValue;
  131. //
  132. //Swaps months to match swapped values
  133. 	temp = b[minIndex];
  134. 	b[minIndex] = b[startscan];
  135. 	b[startscan] = temp;
  136. 	}
  137. }
  138.  
Success #stdin #stdout 0.01s 5356KB
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stdin
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12.6 30.2 20 20 20 2 2 2 2 2 2 2
stdout
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January Rainfall: 
February Rainfall: 
March Rainfall: 
April Rainfall: 
May Rainfall: 
June Rainfall: 
July Rainfall: 
August Rainfall: 
September Rainfall: 
October Rainfall: 
November Rainfall: 
December Rainfall: 

Total Rainfall: 116.8
Average Monthly Rainfall: 9.73
Highest Month of Rainfall: February
Lowest Month of Rainfall: June

Months Sorted in Order of Rainfall
February: 30.20
March: 20.00
April: 20.00
May: 20.00
January: 12.60
June: 2.00
July: 2.00
August: 2.00
September: 2.00
October: 2.00
November: 2.00
December: 2.00
https://ideone.com/BotWlZ
Chapter 8 #5
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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